Craigville is an unincorporated community in Lancaster Township, Wells County, in the U.S. state of Indiana.Craigville was named after William J. Craig, a county clerk. The Craigville post office has been in operation since 1879.Craigville is located at 40°46′42″N 85°05′27″W / 40.77833°N 85.09083°W / 40.77833; -85.09083.